Home / 55,021.24-82,531.86-15,578.70

Finding the Fourth Proportional to 55,021.24, 82,531.86 and 15,578.70

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Solution

The fourth proportional to 55,021.24, 82,531.86 and 15,578.70 is: 23,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.24 : 82,531.86 = 15,578.70 : x
  2. Step 2: Convert to fraction form
    55,021.24/82,531.86 = 15,578.70/x
  3. Step 3: Cross multiply
    55,021.24x = 82,531.86 × 15,578.70
  4. Step 4: Simplify right side
    55,021.24x = 1,285,739,087.38
  5. Step 5: Solve for x
    x = 1,285,739,087.38/55,021.24
  6. Step 6: Final answer
    x = 23,368.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.